Queried GO terms:

  idGO:0014073   Detailed information
  nameresponse to tropane
  namespacebiological_process
  def"Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a tropane stimulus. Tropane is a nitrogenous bicyclic organic compound mainly known for a group of alkaloids derived from it (called tropane alkaloids), which include, among others, atropine and cocaine." [CHEBI:35615, GOC:ef]
  is_aGO:0014070 ! response to organic cyclic compound

No monarch genes has this GO term.